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You're listening to Life Kit from NPR.

Hey everybody, it's Mariel.

Heart disease is the leading cause of death in America, accounting for one in five deaths in 2022.

It's also the number one killer of women in the U.S.

Even if you add breast cancer and bring in all the other cancers of the body and add

them to breast cancer, heart disease is still number one. That's Dr. Jane Morgan. She's a

cardiologist and vice president of medical affairs for Hello Heart.

It's an app you can use to track your cardiovascular health.

So those stark numbers bring me to the point of today's episode.

We're talking about cardio, the kind of exercise that gets your heart rate up and can help prevent heart disease.

That's really what people mean when they say cardio.

They mean to increase your heart rate and to get that heart rate up such that your heart

is really pumping.

I personally have always wondered what counts as cardio.

How intense it needs to be to get the benefits, how much of it you should be doing every

day or week, whether you can break it up

into short bursts or you need to do at least half an hour at a time. On this episode of Life Kit,

I talk with Dr. Morgan about all of that and more. What's in store for the music, TV, and film

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